[Devel] Re: [Users] Problem with BYE method getting a 404 not found response

Fri, 10 Nov 2006 03:14:04 -0800

This is again the same bug in your client. The correct behaviour is specified in RFC 3261. See the sections about loose routing and about constructing in-dialog requests. 

regards
klaus


Russ Daigle wrote:
I can reproduce this easily. Do you see anything wrong with the below packet traces? 

Here is the sequence:
Bob ----- UDP Invite -----> OpenSER ---------- UDP Invite ------> Alice 

Alice responds back with 180 ringing, then 200 Ok.
Upon getting the 200 OK, Bob sends an ACK (to complete the INVITE), followed by an Immediate BYE.
THE TROUBLE IS...... the ACK that Bob sends is dropped (never forwarded to Alice) and the BYE that Bob sends is responded by OpenSER with a 404 not found, and never forwarded onto Alice!!!! I see nothing wrong with the messages. WHat is happening?
Below is the message exchanges. Followed by "openserctl ul show" to show Alice is still registered. 

01:18:19.801230 IP 10.10.2.6.5080 > 10.10.1.234.sip: UDP, length 597
INVITE sip:[EMAIL PROTECTED]:5060 SIP/2.0
Via: SIP/2.0/UDP 10.10.2.6:5080;branch=z9hG4bK15
From: Bob <sip:[EMAIL PROTECTED]>;tag=fromhackblah
To: Alice <sip:[EMAIL PROTECTED]:5060>
CSeq: 1 INVITE
Call-ID: [EMAIL PROTECTED] 
Contact: <sip:[EMAIL PROTECTED]:5080>;transport=UDP
Max-Forwards: 70
Content-Type: application/sdp
Content-Length: 195

v=0
o=- 817933771 817933775 IN IP4 10.10.2.6
s=darkness
c=IN IP4 10.10.2.6
t=0 0
m=audio 5000 RTP/AVP 0 4 97
a=rtpmap:0 PCMU/8000
a=rtpmap:4 G723/8000/1
a=rtpmap:97 telephone-event/8000



01:18:19.802801 IP 10.10.1.234.sip > 10.10.2.6.5080: UDP, length 539
SIP/2.0 100 trying -- your call is important to us
Via: SIP/2.0/UDP 10.10.2.6:5080;branch=z9hG4bK15
From: Bob <sip:[EMAIL PROTECTED]>;tag=fromhackblah
To: Alice <sip:[EMAIL PROTECTED]:5060>
CSeq: 1 INVITE
Call-ID: [EMAIL PROTECTED] 
Server: OpenSer (1.1.0-notls (i386/darwin))
Content-Length: 0
Warning: 392 10.10.1.234:5060 "Noisy feedback tells: pid=11955 req_src_ip=10.10.2.6 req_src_port=5080 in_uri=sip:[EMAIL PROTECTED]:5060 out_uri=sip:[EMAIL PROTECTED]:5070 via_cnt==1" 


01:18:19.802885 IP 10.10.1.234.sip > 10.10.2.6.5070: UDP, length 734
INVITE sip:[EMAIL PROTECTED]:5070 SIP/2.0
Record-Route: <sip:10.10.1.234;lr=on;ftag=fromhackblah>
Via: SIP/2.0/UDP 10.10.1.234;branch=z9hG4bKcbde.5492991.0
Via: SIP/2.0/UDP 10.10.2.6:5080;branch=z9hG4bK15
From: Bob <sip:[EMAIL PROTECTED]>;tag=fromhackblah
To: Alice <sip:[EMAIL PROTECTED]:5060>
CSeq: 1 INVITE
Call-ID: [EMAIL PROTECTED] 
Contact: <sip:[EMAIL PROTECTED]:5080>;transport=UDP
Max-Forwards: 69
Content-Type: application/sdp
Content-Length: 195
P-hint: usrloc applied

v=0
o=- 817933771 817933775 IN IP4 10.10.2.6
s=darkness
c=IN IP4 10.10.2.6
t=0 0
m=audio 5000 RTP/AVP 0 4 97
a=rtpmap:0 PCMU/8000
a=rtpmap:4 G723/8000/1
a=rtpmap:97 telephone-event/8000


01:18:19.891076 IP 10.10.2.6.5070 > 10.10.1.234.sip: UDP, length 362
SIP/2.0 100 Trying
Via: SIP/2.0/UDP 10.10.1.234;branch=z9hG4bKcbde.5492991.0
Via: SIP/2.0/UDP 10.10.2.6:5080;branch=z9hG4bK15
To: Alice <sip:[EMAIL PROTECTED]:5060>
From: Bob <sip:[EMAIL PROTECTED]>;tag=fromhackblah
Call-ID: [EMAIL PROTECTED] 
CSeq: 1 INVITE
Server: mjsip stack 1.6
Content-Length: 0



01:18:19.957284 IP 10.10.2.6.5070 > 10.10.1.234.sip: UDP, length 420
SIP/2.0 180 Ringing
Via: SIP/2.0/UDP 10.10.1.234;branch=z9hG4bKcbde.5492991.0
Via: SIP/2.0/UDP 10.10.2.6:5080;branch=z9hG4bK15
Record-Route: <sip:10.10.1.234;lr=on;ftag=fromhackblah>
To: Alice <sip:[EMAIL PROTECTED]:5060>
From: Bob <sip:[EMAIL PROTECTED]>;tag=fromhackblah
Call-ID: [EMAIL PROTECTED] 
CSeq: 1 INVITE
Server: mjsip stack 1.6
Content-Length: 0


01:18:19.957363 IP 10.10.2.6.5070 > 10.10.1.234.sip: UDP, length 643
SIP/2.0 200 OK
Via: SIP/2.0/UDP 10.10.1.234;branch=z9hG4bKcbde.5492991.0
Via: SIP/2.0/UDP 10.10.2.6:5080;branch=z9hG4bK15
Record-Route: <sip:10.10.1.234;lr=on;ftag=fromhackblah>
To: Alice <sip:[EMAIL PROTECTED]:5060>;tag=d418a42d9b1c6819
From: Bob <sip:[EMAIL PROTECTED]>;tag=fromhackblah
Call-ID: [EMAIL PROTECTED] 
CSeq: 1 INVITE
Contact: <sip:[EMAIL PROTECTED]:5070>
Server: mjsip stack 1.6
Content-Length: 135
Content-Type: application/sdp

v=0
o=- 817933771 817933775 IN IP4 10.10.2.6
s=darkness
c=IN IP4 192.168.0.3
t=0 0
m=audio 21000 RTP/AVP 0
a=rtpmap:0 PCMU/8000


01:18:19.957995 IP 10.10.1.234.sip > 10.10.2.6.5080: UDP, length 584
SIP/2.0 200 OK
Via: SIP/2.0/UDP 10.10.2.6:5080;branch=z9hG4bK15
Record-Route: <sip:10.10.1.234;lr=on;ftag=fromhackblah>
To: Alice <sip:[EMAIL PROTECTED]:5060>;tag=d418a42d9b1c6819
From: Bob <sip:[EMAIL PROTECTED]>;tag=fromhackblah
Call-ID: [EMAIL PROTECTED] 
CSeq: 1 INVITE
Contact: <sip:[EMAIL PROTECTED]:5070>
Server: mjsip stack 1.6
Content-Length: 135
Content-Type: application/sdp

v=0
o=- 817933771 817933775 IN IP4 10.10.2.6
s=darkness
c=IN IP4 192.168.0.3
t=0 0
m=audio 21000 RTP/AVP 0
a=rtpmap:0 PCMU/8000

01:18:20.047797 IP 10.10.2.6.5080 > 10.10.1.234.sip: UDP, length 365
ACK sip:[EMAIL PROTECTED]:5060 SIP/2.0
Route: <sip:10.10.1.234;lr=on;ftag=fromhackblah>
Via: SIP/2.0/UDP 10.10.2.6:5080;branch=z9hG4bK0
From: Bob <sip:[EMAIL PROTECTED]>;tag=fromhackblah
To: Alice <sip:[EMAIL PROTECTED]:5060>;tag=d418a42d9b1c6819
CSeq: 1 ACK
Call-ID: [EMAIL PROTECTED] 
Max-Forwards: 70


01:18:20.047803 IP 10.10.2.6.5080 > 10.10.1.234.sip: UDP, length 370
BYE sip:[EMAIL PROTECTED]:5060 SIP/2.0
Route: <sip:10.10.1.234;lr=on;ftag=fromhackblah>
Via: SIP/2.0/UDP 10.10.2.6:5080;branch=z9hG4bK767774
From: Bob <sip:[EMAIL PROTECTED]>;tag=fromhackblah
To: Alice <sip:[EMAIL PROTECTED]:5060>;tag=d418a42d9b1c6819
CSeq: 2 BYE
Call-ID: [EMAIL PROTECTED] 
Max-Forwards: 70

01:18:20.049706 IP 10.10.1.234.sip > 10.10.2.6.5080: UDP, length 561
SIP/2.0 404 Not Found
Via: SIP/2.0/UDP 10.10.2.6:5080;branch=z9hG4bK767774
From: Bob <sip:[EMAIL PROTECTED]>;tag=fromhackblah
To: Alice <sip:[EMAIL PROTECTED]:5060>;tag=d418a42d9b1c6819
CSeq: 2 BYE
Call-ID: [EMAIL PROTECTED] 
Server: OpenSer (1.1.0-notls (i386/darwin))
Content-Length: 0
Warning: 392 10.10.1.234:5060 "Noisy feedback tells: pid=11955 req_src_ip=10.10.1.234 req_src_port=5060 in_uri=sip:10.10.1.234;lr=on;ftag=fromhackblah out_uri=sip:10.10.1.234;lr=on;ftag=fromhackblah via_cnt==2" 



01:18:20.421033 IP 10.10.2.6.5070 > 10.10.1.234.sip: UDP, length 643
SIP/2.0 200 OK
Via: SIP/2.0/UDP 10.10.1.234;branch=z9hG4bKcbde.5492991.0
Via: SIP/2.0/UDP 10.10.2.6:5080;branch=z9hG4bK15
Record-Route: <sip:10.10.1.234;lr=on;ftag=fromhackblah>
To: Alice <sip:[EMAIL PROTECTED]:5060>;tag=d418a42d9b1c6819
From: Bob <sip:[EMAIL PROTECTED]>;tag=fromhackblah
Call-ID: [EMAIL PROTECTED] 
CSeq: 1 INVITE
Contact: <sip:[EMAIL PROTECTED]:5070>
Server: mjsip stack 1.6
Content-Length: 135
Content-Type: application/sdp

v=0
o=- 817933771 817933775 IN IP4 10.10.2.6
s=darkness
c=IN IP4 192.168.0.3
t=0 0
m=audio 21000 RTP/AVP 0
a=rtpmap:0 PCMU/8000


'alice'
sip:~ russdaigle$ sudo openserctl ul show
WARINIG: no database engine found - tried ''
Dumping all contacts may take long: are you sure you want to proceed? [Y|N] y 
===Domain list===
---Domain---
name : 'aliases'
size : 512
table: 0x2191b90
d_ll {
    n    : 0
    first: 0x0
    last : 0x0
}
---/Domain---
---Domain---
name : 'location'
size : 512
table: 0x218fa08
d_ll {
    n    : 1
    first: 0x2193c90
    last : 0x2193c90
}

...Record(0x2193c90)...
domain: 'location'
aor   : 'alice'
~~~Contact(0x2193cd0)~~~
domain    : 'location'
aor       : 'alice'
Contact   : 'sip:[EMAIL PROTECTED]:5070'
Expires   : 794
q         :
Call-ID : '[EMAIL PROTECTED]' 
CSeq      : 1
User-Agent: 'n/a'
received  : ''
Path      : ''
State     : CS_NEW
Flags     : 0
Sock      : 10.10.1.234:5060 (0xfa6e8)
Methods   : 4294967295
next      : 0x0
prev      : 0x0
~~~/Contact~~~~
.../Record...

---/Domain---
===/Domain list===


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--
Klaus Darilion
nic.at


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